Sendmail < 8.10.0 mail.local Newline Handling Remote DoS

medium Nessus Network Monitor Plugin ID 2015

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote Sendmail server does not properly identiy the '.
' string which identifies the end of message text. An attacker may use this flaw to remotely corrupt user mailboxes by sending a message line which is 2047 characters long and end in '.
'.

Solution

Install sendmail 8.10.0 or higher.

Plugin Details

Severity: Medium

ID: 2015

Family: SMTP Servers

Published: 8/18/2004

Updated: 3/6/2019

Nessus ID: 11351

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:eric_allman:sendmail

Reference Information

CVE: CVE-2000-0319

BID: 1146